[merlin.exe] is detected by [a coupe of] AV's as a BackDoor as it's functionality is very similar and malware authors can use this to their own advantage to compromise systems and gather sensitive system information.

We also understand that [merlin.exe] can be used for legitimate purposes and therefore we will change the classification of the sample submitted to PUP. This way will be able to exclude detection through our scanner configuration but at the same time we are still protecting our customers who may be not be aware of this software running on their systems.

Hence if you want to allow this application in your environment kindly exclude it by detection name.